Questions & Answers

Imagine that you eat lemon or other bitter fruit. Do you feel that your mouth full of saliva?

The teeth in humans grow twice during life. The first teeth are called dairy, while others are permanent teeth.

Deep within the Arctic Circle, on the frozen island of Spitsbergen in the Norwegian Svalbard archipelago, is a…

A rare atmospheric and optical phenomenon, light pillars are only visible under very specific conditions.

Have you ever wondered how your phone’s compass knows which way you’re headed?

Recycling of plastics is the processing of discarded and old plastic product that can be reused. Before recycling…

Hunger has nothing in common with an empty stomach, although most people believe it does. The newborn is born with…

Life originated in the sea, so We can say that the tails originate from the sea.

People used to think that the dew is heavenly nectar, as it appeared seemingly out of nowhere and glittered on…

Have you ever thought that one so beautiful, subtle and fragile creature like a butterfly, can be at the same time…